Big Bang Theory Fifteen billion years ago, give or take five billion years, the entirety of our universe was compressed into the confines of an atomic nucleus. Known as a singularity, this is the moment before creation when space and time did not exist. According to the prevailing cosmological models that explain our universe, an ineffable explosion, trillions of degrees in temperature on any measurement scale, that was infinitely dense, created not only fundamental subatomic …showed first 75 words of 4039 total…

…showed last 75 words of 4039 total…New York: Plenum Press, 1993. Peebles, James P., The Evolution of the Universe, Scientific American, October 1994, v271, n4, p52(6). Sawyer, Kathy, New Findings Support Theory of "Big Bang", Washington Post, April 24, 1992, Col A, 1:4. Wald, Robert M., Space, Time and Gravity: the Theory of the Big Bang and Black Holes, 2nd Edition. Chicago: University of Chicago, 1992. Weinberg, Steven, The First Three Minutes: A Modern View of the Origin of the Universe, New York: Basic Books, 1977.